roof

(roofsplural)The plural can be pronounced [PH:r][PH:u][PH::][PH:f][PH:s] or [PH:r][PH:u][PH::][PH:v][PH:z].

1n-countThe roof of a building is the covering on top of it that protects the people and things inside from the weather....a small stone cottage with a red slate roof...

2n-countThe roof of a car or other vehicle is the top part of it, which protects passengers or goods from the weather.The car rolled onto its roof, trapping him.

3n-countThe roof of your mouth is the highest part of the inside of your mouth.the N of nShe clicked her tongue against the roof of her mouth.

4If the level of something such as the price of a product or the rate of inflation goes through the roof, it suddenly increases very rapidly indeed.INFORMAL♦
go through the roofphraseV inflectsPrices for Korean art have gone through the roof.

5If you hit the roof or go through the roof, you become very angry indeed, and usually show your anger by shouting at someone.INFORMAL♦
hit the roof/go through the roofphraseV inflectsSergeant Long will hit the roof when I tell him you've gone off.

6If a group of people inside a building raise the roof, they make a very loud noise, for example by singing or shouting.♦
raise/lift the roofphraseV inflectsHe raised the roof at the conference when he sang his own version of the socialist anthem, The Red Flag.

7If a number of things or people are under one roof or under the same roof, they are in the same building.♦
under one roof/under the same roofphrasePHR after v, v-link PHRThe firms intend to open either together under one roof or alongside each other in shopping malls...

Translation English - Cobuild Collins Dictionary &nbsp

underIn addition to the uses shown below, under is also used in phrasal verbs such as `go under' and `knuckle under'.

1prepIf a person or thing is under something, they are at a lower level than that thing, and may be covered or hidden by it....swimming in the pool or lying under an umbrella..., Under a wide shelf that holds coffee jars stands a pile of magazines..., She buried her head under the covers, pretending to be asleep..., A path runs under the trees.

2prepIn a place such as a sea, river, or swimming pool, if someone or something is under the water, they are fully in the water and covered by it.They said he'd been held under the water and drowned..., Goldfish were swimming lazily in a group just under the surface.Under is also an adverb., advADV after vWhen the water was up to his neck, a hand came from behind and pushed his head under.

3prepIf you go under something, you move from one side to the other of something that is at a higher level than you.He went under a brick arch..., A river boat passed under the bridge.

4prepSomething that is under a layer of something, especially clothing, is covered by that layer.I was wearing two sweaters under the green army jacket..., It was hard to see the colours under the layer of dust.

5prepYou can use under before a noun to indicate that a person or thing is being affected by something or is going through a particular process....fishermen whose livelihoods are under threat..., I'm rarely under pressure and my co-workers are always nice to me..., Firemen said they had the blaze under control..., He was rushed to court yesterday under armed guard.

6prepIf something happens under particular circumstances or conditions, it happens when those circumstances or conditions exist.His best friend was killed by police under extremely questionable circumstances..., Under normal conditions, only about 20 to 40 per cent of vitamin E is absorbed...

7prepIf something happens under a law, agreement, or system, it happens because that law, agreement, or system says that it should happen.Under law, your employer has the right to hire a temporary worker to replace you..., Under the Constitution, you cannot be tried twice for the same crime.

8prepIf something happens under a particular person or government, it happens when that person or government is in power.There would be no new taxes under his leadership., ...the realities of life under a brutal dictatorship...

9prepIf you study or work under a particular person, that person teaches you or tells you what to do.Kiefer was just one of the artists who had studied under Beuys in the early Sixties..., I am the new manager and you will be working under me.

10prepIf you do something under a particular name, you use that name instead of your real name.Were any of your books published under the name Amanda Fairchild?..., The patient was registered under a false name.

11prepYou use under to say which section of a list, book, or system something is in.This study is described under `General Diseases of the Eye'..., `Where would it be?'<emdash>`Filed under C, second drawer down.'

12prepIf something or someone is under a particular age or amount, they are less than that age or amount.PREP amount(Antonym: over)
...jobs for those under 65..., Expenditure this year should be just under 15 billion pounds.Under is also an adverb., advamount and ADV...free childminding service for 5's and under.

13→
under wraps→
wrap

down underPeople sometimes refer to Australia and New Zealand as down under.(mainly BRIT)INFORMALphraseprep PHR, PHR after vFor summer skiing down under, there is no better place than New Zealand.

snowed underIf you say that you are snowed under, you are emphasizing that you have a lot of work or other things to deal with.INFORMALadjv-link ADJ, usu ADJ with n(emphasis)
Ed was snowed under with fan mail when he was doing his television show.

under-

1prefixUnder- is used to form words that express the idea that there is not enough of something. For example if people are underfed, they are not getting enough food.Make sure that you are not underinsured..., Victorian cut glass is perhaps the most underpriced area of the antique glass market.

2prefixUnder- is added to the beginning of nouns that refer to a job or rank in order to form nouns that refer to a less important job or rank....the new undersecretary of education., ...clients who wouldn't deal with an undermanager.

under age, underage

1adjA person who is under age is legally too young to do something, for example to drink alcohol, have sex, or vote.Underage youths can obtain alcohol from their older friends., ...girls who have babies when they are under age.

2adjUnder age activities such as drinking or smoking are carried out by people who are legally too young to do them.ADJ n...his efforts to stop under age drinking and drug abuse.

under-secretary(under-secretariesplural), undersecretaryAn under-secretary is a senior official with an important post in a government department.n-count...Under-Secretary of State Reginald Bartholomew.

under way, underwayIf an activity is under way, it has already started. If an activity gets under way, it starts.adjv-link ADJAn investigation is underway to find out how the disaster happened..., The conference gets under way later today with a debate on the family.

Reverso offers you access to an english translation, definition and synonym dictionary for under one roof/under the same roof and thousands of other words. You can complete the translation of under one roof/under the same roof given by the English - Cobuild Collins dictionary by looking at other French dictionaries : Wikipedia, Lexilogos, Larousse dictionary, Le Robert, Oxford, Grévisse